Plants in the Euphorbiaceae have unique structures called areoles, which are reduced branches, and contain tiny barbed spines called glochids that lodge in flesh

Gingers and some other plants have strange above-ground culms composed of concentric leaves. The flower is on the real stem and grows up through the concentric leaves.

The succulents are a monophyletic group

Taxa are merely scientific constructs for the purposes of classification – the only real entity is the individual.

Which of the following terms describes this leaf margin:

Match each fruit type to an examples of it below (respectivelly) – pepo, hesperidium, drupe

The leaf emergence term describing a fern fiddlehead is:

Which of the following inflorescences have flowers directly connected to the main stalk:

The inflorescence type called a catkin is often known for:

Which of the following two inflorescence types can be rounded or flat-topped: